Pith Number

pith:5QSAOIC6

pith:2018:5QSAOIC6EXL5G3LCJCSAOGOJFR

not attested not anchored not stored refs pending

Integral Closures In Real Algebraic Geometry

Goulwen Fichou (IRMAR), Jean-Philippe Monnier (LAREMA), Ronan Quarez (IRMAR)

arxiv:1810.07556 v2 · 2018-10-16 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QSAOIC6EXL5G3LCJCSAOGOJFR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:57:50.309668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec2407205e25d7d36d6248a40719c92c63cb277c2d19084f6601daa2039c6a50

Aliases

arxiv: 1810.07556 · arxiv_version: 1810.07556v2 · doi: 10.48550/arxiv.1810.07556 · pith_short_12: 5QSAOIC6EXL5 · pith_short_16: 5QSAOIC6EXL5G3LC · pith_short_8: 5QSAOIC6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5QSAOIC6EXL5G3LCJCSAOGOJFR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ec2407205e25d7d36d6248a40719c92c63cb277c2d19084f6601daa2039c6a50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b712d7dc28762690c9d44e6f9847bc45d53f7d6b3799ab5f33700a709d000485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-16T09:44:12Z",
    "title_canon_sha256": "299ab1e9665fc3f4c39d90f3d22ec43e159442d97bb080c01ad99c8615bdb1a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07556",
    "kind": "arxiv",
    "version": 2
  }
}